save project

2.py

+i=3
 a="123"
 b="1234"
 while True:
-    c=input("请输入")
-    d=input("请输入")
-    if a == c and b == d:
-        print("成功")
-        break
-    if a!=c:
-        print("账号错误")
-        continue
-    if b!=d:
-        print("密码错误")
+    if i>0:
+        c=input("请输入")
+        d=input("请输入")
+        i=i-1
+        if a == c and b == d:
+            print("成功")
+            break
+        if a!=c:
+            print("账号错误")
+            continue
+        if b!=d:
+            print("密码错误")
+    else:
+        print("被锁定")
+        exit()
     print("登录失败")
     
\ No newline at end of file